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package pdi;

/**
 *
 * @author skipy
 */
public class Cerc implements FiguraGeometrica,FiguraRotunda {
    public double raza;
    @Override
     public double lungime()
    {
       return 2*Math.PI*raza;
    }
    @Override
    public double arie()
    {
    
    return Math.PI*raza*raza;
    }
}
